JPH0164790U - - Google Patents
Info
- Publication number
- JPH0164790U JPH0164790U JP1987158732U JP15873287U JPH0164790U JP H0164790 U JPH0164790 U JP H0164790U JP 1987158732 U JP1987158732 U JP 1987158732U JP 15873287 U JP15873287 U JP 15873287U JP H0164790 U JPH0164790 U JP H0164790U
- Authority
- JP
- Japan
- Prior art keywords
- heat ray
- heat
- focus
- lens
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
図面は本考案実施例の構成を示した図である。
なお図において、１は熱線集束レンズ、２は発
光素子、３は素子２の回動軸、４は楕円反射鏡、
５は熱線検知素子である。
光素子、３は素子２の回動軸、４は楕円反射鏡、
５は熱線検知素子である。
Claims (1)
- 熱線を一点に集束する熱線レンズと、上記点を
一方の焦点とする楕円反射鏡と、上記楕円反射鏡
における他方の焦点に配置されて前記焦点に集束
した熱線が上記楕円反射鏡で反射して入射する熱
線検知素子と、前記熱線レンズの焦点に着脱自在
に配置してこのレンズにより可視光線を前記熱線
と逆向きに前方へ投射する発光素子とよりなる熱
線感知器。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15873287U JPH0525032Y2 (ja) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15873287U JPH0525032Y2 (ja) | 1987-10-19 | 1987-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0164790U true JPH0164790U (ja) | 1989-04-25 |
| JPH0525032Y2 JPH0525032Y2 (ja) | 1993-06-24 |
Family
ID=31439323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15873287U Expired - Lifetime JPH0525032Y2 (ja) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0525032Y2 (ja) |
-
1987
- 1987-10-19 JP JP15873287U patent/JPH0525032Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525032Y2 (ja) | 1993-06-24 |
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